Re: [R] qqplot

From: Duncan Murdoch <>
Date: Tue 07 Feb 2006 - 23:18:10 EST

On 2/6/2006 9:59 AM, Vincent Negre wrote:
> Hello,
> I would like to use qqplot() to compare two
> experimental distributions. But I do not understand

> how qqplot() compute quantiles. In fact, quantile() do
> not return the same results.

Take a look at the source code. qqplot replaces the longer vector with one calculated by linear interpolation (that's what approx does) between the values of the other.

Duncan Murdoch mailing list PLEASE do read the posting guide! Received on Tue Feb 07 23:25:03 2006

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